Gaoya dianqi电力电缆由电缆本体和电缆接头组成，电缆接头内部的温升是影响电力电缆线路载流能力的关键因素。针对电缆接头材料参数分散性大和热流扩散规律不明显等问题，文中提出了一种基于主热流分析的电缆接头热点温度反演辨识方法，以准确辨识接头内部的热点温度。首先建立了10 kV三芯电缆及接头的有限元仿真计算模型，得到温度场分布规律。其次通过分析电缆接头的热流扩散规律，建立了电缆本体的热路模型，并采用正交试验法设计训练样本和测试样本，确定了距离接头端部0.1、2.0 m的2个导体特征温度点 ...
侯澳港 +5 more
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